Home / 12,197.43-18,299.34-5,177.70

Finding the Fourth Proportional to 12,197.43, 18,299.34 and 5,177.70

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Solution

The fourth proportional to 12,197.43, 18,299.34 and 5,177.70 is: 7,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.43 : 18,299.34 = 5,177.70 : x
  2. Step 2: Convert to fraction form
    12,197.43/18,299.34 = 5,177.70/x
  3. Step 3: Cross multiply
    12,197.43x = 18,299.34 × 5,177.70
  4. Step 4: Simplify right side
    12,197.43x = 94,748,492.72
  5. Step 5: Solve for x
    x = 94,748,492.72/12,197.43
  6. Step 6: Final answer
    x = 7,767.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.